@article{DAN_1963_148_1_a1,
     author = {V. A. Belyaev},
     title = {On absolute convergence of a power series in two variables},
     journal = {Doklady Akademii Nauk},
     pages = {13--15},
     publisher = {mathdoc},
     volume = {148},
     number = {1},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_148_1_a1/}
}